56054886469 has 2 divisors, whose sum is σ = 56054886470. Its totient is φ = 56054886468.

The previous prime is 56054886463. The next prime is 56054886479. The reversal of 56054886469 is 96468845065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53055133569 + 2999752900 = 230337^2 + 54770^2 .

It is a cyclic number.

It is not a de Polignac number, because 56054886469 - 2⁷ = 56054886341 is a prime.

It is a super-2 number, since 2×56054886469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56054886463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027443234 + 28027443235.

It is an arithmetic number, because the mean of its divisors is an integer number (28027443235).

Almost surely, 2^56054886469 is an apocalyptic number.

It is an amenable number.

56054886469 is a deficient number, since it is larger than the sum of its proper divisors (1).

56054886469 is an equidigital number, since it uses as much as digits as its factorization.

56054886469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 56054886469 in words is "fifty-six billion, fifty-four million, eight hundred eighty-six thousand, four hundred sixty-nine".